For incorrigible instructor Paul Green, the three "R's" of reading, writing and arithmetic take a backseat to rocking out, and he actually has his own curriculum set up to help precocious youngsters do so. Indeed, at The Paul Green School of Rock Music, the ultimate goal is learning to wail on guitar like Robert Plant or strut around like Mick Jagger. But getting to that stage means developing discipline and grace under fire, and most important of all -- surviving Mr. Green's tutelage.